Ethylenedisulfonic acid (dihydrate) CAS 5982-56-9
| CAS No. | 5982-56-9 |
| Molecular Formula | C2H6O6S2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Ethylenedisulfonic acid (dihydrate) (CAS 5982-56-9), molecular formula C2H6O6S2H2O and molecular weight 208.20 g/mol, is a CATO reference standard with documented purity and traceability.
Ethylenedisulfonic acid (dihydrate) (C2H6O6S2H2O) contains a sulfone group, a carboxylic acid group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
CATO manufactures Ethylenedisulfonic acid (dihydrate) under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C2H6O6S2 2*H2O |
| Molecular Weight | 208.20 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | -1.0 |
| CAS Registry Year (est.) | 1958 |
| Sulfur Atoms | 2 |
Recommended Standards
- [3-cyano-6-(methylamino)pyrazolo[1,5-a]pyridin-4-yl] trifluoromethanesulfonate (CAS 2649419-83-8)
- 3-Chloro-N-(3-cyano-4-methanesulfinylphenyl)benzamide (CAS 320421-59-8)
- Sofosbuvir Impurity 59 (CAS 79487-89-1)
- 4-hydroxy-1-(2,4,5-trichlorophenyl)-1H-pyrazole-3-carboxylic acid (CAS 1152972-73-0)
- 3077-12-1 R00STP10PR N,N-Bis(2-hydroxyethyl)-4-toluidine N,N-Bis(2-hydroxyethyl)-p-toluidine Ethanol, 2,2'-((4-methylphenyl)imino)bis- Ethanol, 2,2'-(p-tolylimino)di- (8CI) 2,2'-((4-Methylphenyl)imino)bisethanol CCRIS 814 N,N-Diethanol-p-toluidine Diethylol-p-toluidine N,N-Di(2-hydroxyethyl)-para-toluidine EINECS 221-359-1 N,N-(2-Hydroxyethyl)-p-toluidine N-(4-Methylphenyl)diethanolamine N-(4-Methylphenyl)-N,N-diethanolamine NSC 103354 2,2'-(p-Tolylimino)diethanol UNII-R00STP10PR (CAS 3077-12-1)
- 5-Chloro-1-(3,3,3-trifluoropropyl)-1H-pyrazole-4-carboxylic acid (CAS 1956379-15-9)
- 3-(2,2,2-trifluoroethyl)pyrrolidine hydrochloride (CAS 1269152-60-4)
- 2-Ethyl-3,6-dimethyldihydro-2H-thiopyran-4(3H)-one (CAS 462065-51-6)
- cis-(3-amino-1-methyl-cyclobutyl)carbamic acid tert-butyl ester (CAS 1408076-04-9)
- Semaglutide Impurity 149 (CAS CATO-C4X-2226149)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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